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Aquerous urea for fire control
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Patent number 6,444,718
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Issue date Sep 3, 2002
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David H. Blount
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Flame-resistant polyurea foam
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Patent number 5,719,200
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Issue date Feb 17, 1998
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Hoechst Aktiengesellschaft
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Horst Staendeke
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Urethane composition
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Patent number 5,169,875
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Issue date Dec 8, 1992
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Hodogaya Chemical Co., Ltd.
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Tsutomu Nakamura
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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